New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    What is meant by 'cardinality' in data

    modeling?
    A The number of rows in a table Correct Answer Incorrect Answer
    B The degree of table normalization Correct Answer Incorrect Answer
    C The uniqueness of data Correct Answer Incorrect Answer
    D The number of possible values for a field Correct Answer Incorrect Answer
    E The nature of relationships between entities Correct Answer Incorrect Answer

    Solution

    Cardinality defines how many instances of one entity relate to instances of another (e.g., one-to-many).

    Practice Next